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The Best Fluffy Chocolate Buttercream Frosting

A mound of rich, dark chocolate frosting piped high on a white plate, showcasing deep swirls.

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Make this rich, creamy, and fluffy chocolate buttercream frosting from scratch. It is perfect for topping cakes, cupcakes, and brownies, offering a classic American home-cooking flavor.

Ingredients

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  • 1 cup (2 sticks) unsalted butter, softened
  • 3 1/2 cups powdered sugar, sifted
  • 1/2 cup unsweetened cocoa powder, sifted
  • 1/2 teaspoon salt
  • 1 teaspoon vanilla extract
  • 4 to 6 tablespoons whole milk or heavy cream

Instructions

  1. In a large bowl, beat the softened butter with an electric mixer until smooth and creamy.
  2. Gradually add the sifted powdered sugar and cocoa powder to the butter mixture, mixing on low speed until just combined.
  3. Add the salt and vanilla extract. Increase the mixer speed to medium and beat for 2 minutes.
  4. Add the milk or cream, one tablespoon at a time, beating well after each addition until you reach your desired fluffy consistency. Start with 4 tablespoons and add more if needed for a softer texture.
  5. Beat on high speed for 1 to 2 minutes until the frosting is light and airy.
  6. Use immediately to frost cakes, cupcakes, or brownies.

Notes

  • For a richer chocolate flavor, use Dutch-process cocoa powder.
  • If the frosting seems too thick, add another tablespoon of milk. If it is too thin, add a few more tablespoons of powdered sugar.
  • This recipe makes enough frosting to generously cover a two-layer 8-inch cake or about 18 cupcakes.

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